<template>
  <el-upload
    class="avatar-uploader"
    action=""
    :show-file-list="false"
    :before-upload="beforeAvatarUpload"
    :http-request="uploadImage"
  >
    <img v-if="value" :src="value" class="avatar">
    <i v-else class="el-icon-plus avatar-uploader-icon" />
  </el-upload>
</template>

<script>
import COS from 'cos-js-sdk-v5'
export default {
  props: {
    value: {
      type: String,
      default: null
    }
  },
  methods: {
    beforeAvatarUpload(file) {
      const arr = ['image/jpeg', 'image/png', 'image/gif', 'image/bmp']
      const isJPG = arr.includes(file.type)
      const isLt2M = file.size / 1024 / 1024 < 5
      if (!isJPG) {
        this.$message.error('上传头像图片只能是 JPG PNG GIF BMP  格式!')
      }
      if (!isLt2M) {
        this.$message.error('上传头像图片大小不能超过 5MB!')
      }
      return isJPG && isLt2M
    },
    uploadImage(params) {
    //   console.log(params) //不知道是啥就自己打印看看
      var cos = new COS({
        SecretId: 'AKIDBIHBF8sSq1zlMn7II5QfoBRWRtIYhliZ',
        SecretKey: 'paCg1BE7nGY2RoOvOoT3WsIexiYN5nMw'
      })
      cos.putObject({
        Bucket: '77777-1317454275', /* 填入您自己的存储桶，必须字段 */
        Region: 'ap-nanjing', /* 存储桶所在地域，例如ap-beijing，必须字段 */
        Key: params.file.name, /* 存储在桶里的对象键（例如1.jpg，a/b/test.txt），必须字段 */
        Body: params.file, /* 必须，上传文件对象，可以是input[type="file"]标签选择本地文件后得到的file对象 */
        StorageClass: 'STANDARD'
      }, (err, data) => {
        if (data.statusCode === 200 && data.Location) {
          console.log(data.Location)
          //   this.$emit('input', 'http://' + data.Location)
          this.$emit('input', 'http://' + data.Location) // 将地址返回了
        } else {
          this.$message.error(err.error)
        }
      })
    }
  }
}
</script>

<style>
  .avatar-uploader .el-upload {
    border: 1px dashed #d9d9d9;
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
  }
  .avatar-uploader .el-upload:hover {
    border-color: #409EFF;
  }
  .avatar-uploader-icon {
    font-size: 28px;
    color: #8c939d;
    width: 178px;
    height: 178px;
    line-height: 178px;
    text-align: center;
  }
  .avatar {
    width: 178px;
    height: 178px;
    display: block;
  }
</style>
